package org.wyw.entiry;

/**
 * 链表
 */
public class ListNode {
    public int val;
    public ListNode next;
    public ListNode() {
    }
    public ListNode(int x) {
        val = x;
    }
    public ListNode(int x, ListNode next) {
        val = x;
        this.next = next;
    }
}
